MAYBE
Time: 0.862189
TRS:
 { cond(true(), x, y) -> cond(and(gr(x, 0()), gr(y, 0())), p x, p y),
      and(x, false()) -> false(),
  and(true(), true()) -> true(),
      and(false(), x) -> false(),
           gr(0(), x) -> false(),
         gr(0(), 0()) -> false(),
         gr(s x, 0()) -> true(),
         gr(s x, s y) -> gr(x, y),
                p 0() -> 0(),
                p s x -> x}
 DP:
  DP:
   {cond#(true(), x, y) -> cond#(and(gr(x, 0()), gr(y, 0())), p x, p y),
    cond#(true(), x, y) -> and#(gr(x, 0()), gr(y, 0())),
    cond#(true(), x, y) -> gr#(x, 0()),
    cond#(true(), x, y) -> gr#(y, 0()),
    cond#(true(), x, y) -> p# x,
    cond#(true(), x, y) -> p# y,
          gr#(s x, s y) -> gr#(x, y)}
  TRS:
  { cond(true(), x, y) -> cond(and(gr(x, 0()), gr(y, 0())), p x, p y),
       and(x, false()) -> false(),
   and(true(), true()) -> true(),
       and(false(), x) -> false(),
            gr(0(), x) -> false(),
          gr(0(), 0()) -> false(),
          gr(s x, 0()) -> true(),
          gr(s x, s y) -> gr(x, y),
                 p 0() -> 0(),
                 p s x -> x}
  UR:
   {    and(x, false()) -> false(),
    and(true(), true()) -> true(),
        and(false(), x) -> false(),
             gr(0(), x) -> false(),
           gr(0(), 0()) -> false(),
           gr(s x, 0()) -> true(),
                  p 0() -> 0(),
                  p s x -> x,
                a(z, w) -> z,
                a(z, w) -> w}
   EDG:
    {(cond#(true(), x, y) -> cond#(and(gr(x, 0()), gr(y, 0())), p x, p y), cond#(true(), x, y) -> p# y)
     (cond#(true(), x, y) -> cond#(and(gr(x, 0()), gr(y, 0())), p x, p y), cond#(true(), x, y) -> p# x)
     (cond#(true(), x, y) -> cond#(and(gr(x, 0()), gr(y, 0())), p x, p y), cond#(true(), x, y) -> gr#(y, 0()))
     (cond#(true(), x, y) -> cond#(and(gr(x, 0()), gr(y, 0())), p x, p y), cond#(true(), x, y) -> gr#(x, 0()))
     (cond#(true(), x, y) -> cond#(and(gr(x, 0()), gr(y, 0())), p x, p y), cond#(true(), x, y) -> and#(gr(x, 0()), gr(y, 0())))
     (cond#(true(), x, y) -> cond#(and(gr(x, 0()), gr(y, 0())), p x, p y), cond#(true(), x, y) -> cond#(and(gr(x, 0()), gr(y, 0())), p x, p y))
     (gr#(s x, s y) -> gr#(x, y), gr#(s x, s y) -> gr#(x, y))}
    STATUS:
     arrows: 0.857143
     SCCS (2):
      Scc:
       {cond#(true(), x, y) -> cond#(and(gr(x, 0()), gr(y, 0())), p x, p y)}
      Scc:
       {gr#(s x, s y) -> gr#(x, y)}
      
      SCC (1):
       Strict:
        {cond#(true(), x, y) -> cond#(and(gr(x, 0()), gr(y, 0())), p x, p y)}
       Weak:
       { cond(true(), x, y) -> cond(and(gr(x, 0()), gr(y, 0())), p x, p y),
            and(x, false()) -> false(),
        and(true(), true()) -> true(),
            and(false(), x) -> false(),
                 gr(0(), x) -> false(),
               gr(0(), 0()) -> false(),
               gr(s x, 0()) -> true(),
               gr(s x, s y) -> gr(x, y),
                      p 0() -> 0(),
                      p s x -> x}
       Open
      
      SCC (1):
       Strict:
        {gr#(s x, s y) -> gr#(x, y)}
       Weak:
       { cond(true(), x, y) -> cond(and(gr(x, 0()), gr(y, 0())), p x, p y),
            and(x, false()) -> false(),
        and(true(), true()) -> true(),
            and(false(), x) -> false(),
                 gr(0(), x) -> false(),
               gr(0(), 0()) -> false(),
               gr(s x, 0()) -> true(),
               gr(s x, s y) -> gr(x, y),
                      p 0() -> 0(),
                      p s x -> x}
       Open